Finding the Third Proportional to 609,410 and 1,320,512

Step by Step Solution

1. Step 1: Write the proportion equation
   609,410 : 1,320,512 = 1,320,512 : x
2. Step 2: Convert to fraction form
   609,410/1,320,512 = 1,320,512/x
3. Step 3: Cross multiply
   609,410x = 1,320,512 × 1,320,512
4. Step 4: Simplify right side
   609,410x = 1,743,751,942,144
5. Step 5: Solve for x
   x = 1,743,751,942,144/609,410
6. Step 6: Final answer
   x = 2,861,377.30